Quiz

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Division is a basic algebraic operation where we split a number into equal parts of groups. If we had 12 sweets, and wanted to share it equally amongst 3 people, then each of them will get 4 sweets. This is expressed as

\[ 12 \div 3 = 4. \]

Division is also known as the inverse (or "opposite") of multiplication. For example, since \( 3 \times 4 = 12 \), we can divide by 4 on both sides to get \( 3 = 12 \div 4 \). As such, knowing the multiplication tables can be helpful with division.

Johnny received his $21 allowance for this week. Johnny thinks: "In order not to run out of money on the weekends, I should use an equal amount of money every day". How much money per day can Johnny spend?

Since there are 7 days in a week, the amount of money Johnny can spend per day is equal to \(21\div7.\) Repeatedly adding 7, we can see that: